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Science News Archive 2021


Page 131 of 510

Infants exposed to domestic violence have poorer cognitive development

A recent study by University of Missouri-Columbia professor Linda Bullock found that infants of mothers with only one abusive partner had worse cognitive outcomes compared to those with multiple male partners, including some who were abusive. This suggests that the absence of support from a father figure can hinder a child's development.

More sleep boosts teens’ ability to cope with pandemic

A new study from McGill University reveals that delaying school start times can help reduce stress and improve coping skills in teenagers during times of crisis. The research found that allowing teens to follow their natural sleep-wake cycle led to improved mental health outcomes.

Gut bacteria might be an indicator of colon cancer risk

A recent study published in Cell Host & Microbe found that certain gut bacteria are associated with an increased risk of colon cancer. Researchers discovered a correlation between the presence of non-enterotoxigenic Bacteroides fragilis and inflammation in small polyps. The study suggests that normally healthy gut bacteria may adapt to...

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

When organoids meet coronaviruses

Researchers have established an organoid biobank to search for genes essential for SARS-CoV-2 replication and spread. The study identified TMPRSS2 as a potential therapeutic target for the coronavirus, with specific inhibitors recently developed.

Fiber tracking method delivers important new insights into turbulence

A new experimental method tracks the motion of fibers instead of particles to reveal previously hidden information about turbulent flows. The researchers developed an innovative solution using rigid fibers, which allowed them to measure the speed and direction of flow at two points a fixed distance apart.

How we age, as told by spit

Researchers identified 99 saliva metabolites related to energy synthesis, digestion, growth, and cell health, with 21 metabolites differing between young and elderly individuals. Age-linked salivary metabolites reflect biological aging, including a 1.96-fold increase in ATP production in the elderly.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Deep-sea biodiversity off New Zealand higher than assumed

Researchers have discovered six new species of glass sponges and two previously unknown species in the waters off New Zealand, revealing a more diverse ecosystem than previously thought. The findings provide important data for protecting these unique habitats from deep-sea mining and fishing.

White Americans pay less attention to Black peers, says a new study

A study of over 2,500 participants found that white Americans are more likely to dismiss information from Black peers and rate them as less skilled. However, when given the chance to work alongside Black peers, the bias disappeared, highlighting the importance of direct interaction in overcoming racial disparities.

New engine design could muffle roar of fighter jets

A new nozzle design for F-18 fighter planes has shown promise in reducing jet noise in lab tests, with potential benefits for both commercial and military aviation. The design features triangular fins that significantly reduce noise levels, making it a significant improvement over current technology.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

NIH funds effort to customize treatment of movement impairments

A Rice University professor has received a $2.4 million grant from the NIH to develop open-source software for designing personalized treatments for movement impairments using computational modeling and simulation. The software will create customized computer models of individual patients, optimizing treatment solutions.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Researchers measure the bond strength of thin coatings

A research group employed ultra-small testing technologies to measure the interfacial bonding strength of coated materials. The study successfully measured the shear strength of a tungsten coating on ferritic steel, contributing to the safe application of multi-material technology in industrial components.

Study identifies key risk factors for early COPD among US Hispanic/Latinos

A new study from Brigham and Women's Hospital identifies asthma, history of smoking, and chronic sinusitis as key risk factors for early COPD among US Hispanics/Latinos. The prevalence of early COPD was found to be 7.6 percent in this population, suggesting younger individuals are also susceptible to the disease.

Disparities in SARS-CoV-2 vaccination-to-infection risk during pandemic

A study analyzed SARS-CoV-2 vaccination distribution in Massachusetts, finding lower vaccine coverage and infection risk in communities with increased socioeconomic vulnerability. The analysis also revealed larger proportions of Black and Latinx individuals in these areas, highlighting disparities in COVID-19 vaccination access.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Biologists identify new targets for cancer vaccines

MIT researchers have found that vaccinating against certain cancer proteins can boost the overall T cell response and help to shrink tumors in mice. The study identifies specific neoantigens that, when targeted with a vaccine, can reawaken dormant T cell populations and lead to tumor regression.

How scents take on meaning

A study published by Ruhr-University Bochum's Department of Neurophysiology found that the olfactory system works closely with the brain's reward and aversion systems to form and retrieve memories. Non-olfactory brain regions, such as the limbic cortex, play a crucial role in categorizing scents as pleasant or unpleasant.

Anesthesia for knee replacement surgery has considerable carbon footprint

A study published in Anesthesiology found that anesthesia for total knee replacement surgery generates substantial CO2 emissions, with an average of 14.9-18.5 kg for general, spinal, and combined anesthesia approaches respectively, contributing to a carbon footprint of approximately 42 miles driven by a US car.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Improving leukemia therapy with targeted treatment approaches

Researchers at the University of Basel have discovered a novel combination therapy approach that combines inhibiting JAK2 with targeting the MAPK signaling pathway. This dual targeting strategy has shown promising results in improving leukemia treatment outcomes by reducing blood cell production and altering disease course.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Researchers explore promising new stem cell treatment for MRSA superbug

A study found that treating wounds with mesenchymal stromal cell secretions significantly reduced MRSA viability and stimulated the surrounding skin cells to build a defense. The treatment has potential as an alternative to antibiotics, reducing antibiotic resistance in both veterinary and human medicine.

Mass shootings in US during pandemic

A study analyzing mass shootings in the US found a significant increase during the COVID-19 pandemic, suggesting that extreme violence may be influenced by social and economic factors. The research revealed consistent patterns, implying that mass shootings are not solely driven by mental health issues or individual motivations.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Silver nanoparticles boost performance of microbial fuel cells

Researchers found that coating Shewanella bacteria with silver nanoparticles improves electron transfer efficiency, leading to higher current and power densities in microbial fuel cells. The resulting MFCs have a maximum current density of 3.85 milliamperes per square centimeter and a coulombic efficiency of 81%.

How we’re taking the latest superfood mainstream, with science

A new study from Edith Cowan University has identified over 2,500 proteins in lupin seeds using a novel testing regime. The research aims to develop value-added high protein ingredients while complying with food-labelling regulations, transforming lupins from feed to superfood.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Hydroxyurea may reverse sickle cell-related heart abnormalities

A study published in Blood Advances found that hydroxyurea therapy can improve or even reverse cardiac complications in individuals living with sickle cell anemia. The longer duration of treatment was associated with better cardiac outcomes, suggesting the need for early screening and treatment initiation for this patient population.

Six stages of engagement in ADHD treatment revealed in new, diverse study

Researchers at Boston Medical Center have identified six stages of engagement in ADHD treatment, highlighting the importance of breaking down barriers for racial and ethnic minority families. The study provides a comprehensive framework that can help healthcare systems better match the needs of children with ADHD and their families.

Cancer cells’ unexpected genetic tricks for evading the immune system

Researchers discover that tumor suppressor genes can prevent the immune system from spotting and destroying malignant cells in mice. The study reveals a surprising new action for many of these defective genes, which trigger mechanisms that prevent the immune system's T-cells from targeting tumors.

The first glimpse of hydrodynamic electron flow in 3D materials

A team of researchers from Harvard and MIT observed hydrodynamic electron flow in three-dimensional tungsten ditelluride for the first time using a new imaging technique. The findings provide a promising avenue for exploring non-classical fluid behavior in hydrodynamic electron flow, such as steady-state vortices.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

New technique provides insights into the evolution of the brain

A research team identified H3 acetylation as a crucial factor in human brain development, leading to the unique neocortex structure. This finding could pave the way for new treatments for neurodegenerative diseases by manipulating basal progenitor cell proliferation.

For one group in child welfare, trauma is especially common

Adults in the child welfare system with substance misuse issues have higher scores on a trauma questionnaire than previously estimated for other adults and the general population. Children in these families also experience more trauma, with trauma scores 27% higher than those in the juvenile justice system.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Giant Waikato penguin: school kids discover new species

A team of researchers has discovered a new species of giant penguin, named Kairuku waewaeroa, in the North Island of New Zealand. The fossil, estimated to be between 27.3 and 34.6 million years old, was found by school children on a fossil hunting field trip in 2006.

Getting to the root of tooth replantation challenges

A new gene delivery system promotes healing in rat models by preventing inflammation and bone degradation after tooth replantation. The study found that teeth treated with the system showed significantly greater dental root thickness and fewer osteoclasts, leading to improved success rates.

Act now to benefit economically from peatland restoration

A new study found that restoring peatlands now would provide significant economic benefits to society, including a reduction of greenhouse gas emissions and improved wildlife habitat. In Scotland, restoration could generate £191m in annual societal benefits if done by 2027, rather than later.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Quantifying future impacts on coral reefs

Coral reefs will experience substantial declines in productivity and survival due to rising sea temperatures and ocean acidification, with some attributes responding similarly to heat stress with or without acidification

Researchers explore promising treatment for MRSA ‘superbug’

A new study from Cornell University has found that the antimicrobial properties of certain stem cell proteins can effectively reduce the viability of methicillin-resistant Staphylococcus aureus (MRSA) in skin wounds. The treatment also stimulates the surrounding skin cells to build up a defense against the bacterial invader.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

A novel malaria vaccine vector – target to the liver

Researchers at Kanazawa University have identified a new vaccine platform that targets liver cells to induce anti-malaria immunity. The AAV8 vaccine platform was found to be more effective in eliciting a T cell-mediated response in the liver, providing sterile protection against malaria in a murine model.